little update

.env.example

@@ -0,0 +1,20 @@
+NATS_URL=nats://127.0.0.1:4222
+NATS_STREAM=GAME
+NATS_SUBJECT=game.start
+NATS_CLEANUP_SUBJECT=game.cleanup
+NATS_CONSUMER=kernel-consumer
+DATABASE_URL=sqlite:///kernel.db
+CLOUD_TOKEN=
+CLOUD_KEY_ID=
+CLOUD_SECRET=
+CLOUD_PROJECT_ID=
+CLOUD_VPC_ID=
+CLOUD_AVAILABILITY_ZONE_ID=
+CLOUD_AVAILABILITY_ZONE_NAME=
+CLOUD_VM_FLAVOR_NAME=low-1-1
+CLOUD_VM_IMAGE_NAME=ubuntu-22.04
+CLOUD_VM_DISK_TYPE_NAME=SSD
+CLOUD_VM_USERNAME=user1
+CLOUD_VM_PASSWORD=
+CLOUD_VM_PUBLIC_KEY=
+LOG_LEVEL=INFO